Method for manufacturing a die for extruding honeycomb material

Details Method for manufacturing a die for extruding honeycomb material Method for manufacturing a die for extruding honeycomb material

1989-08-24

1991-01-15

Parker, Roscoe V.

Metal tools and implements, making

Blank or process

Die

291636, 29464, B21C 2510, B23P 1524

Patent

active

049844873

ABSTRACT:
A method for manufacturing a monolith extrusion die includes the steps of loosely stacking individual tube elements to form a tube stack having reference surfaces therein and feed holes therethrough; fixturing individual shaping teeth together for location with respect to the reference surfaces to form a precise extrusion slot pattern of intersecting rows with the shape of the monolith to be formed by the die. In one method, the shaping teeth are located as a unit and then inserted into a loose tube stack as a unit and then bonded together as a unitary extrusion die. In another method, the shaping teeth are fixtured in a loose tube stack as it is formed and thereafter the fixtured teeth and tube stack are bonded to form a unitary extrusion die.

REFERENCES:
patent: 4041597 (1977-08-01), Folmar et al.
patent: 4242075 (1980-12-01), Higuchi et al.
patent: 4486934 (1984-12-01), Reed

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